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Single Family ResidenceResidential
$221,607$187 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 77How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $58,700 on Nov 29, 2012

506 N MAHAN ST

RICHWOOD, TX 77531
1
Baths
1,184 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.34 ac
Lot SizeThe size of the land the home sits on, from county records.
1952
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$222K
$170K low$273K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$58,700 · Nov 29, 2012

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$576 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$63,196 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$33,530
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$97,390
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$52,228
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$130,920

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.66 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.94%

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyBRAZORIA
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1990
Lot (acres)The size of the land the home sits on, from county records.0.34
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Primary
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 60 ft²Patio · 60 ft²Porch · 96 ft²

Transaction History(3)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Gladys Polk Elementary SchoolA+
Elementary · Grades PK–4 · 0.3 mi
H
Brazoswood High SchoolC-
High · Grades 9–12 · 2.4 mi
M
Clute Intermediate SchoolC
Middle · Grades 5–8 · 2.6 mi

District: Brazosport Independent School District

Neighborhood · ZIP 77531These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.125
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.112
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.19

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.80%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.16,727
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.828 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,283
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$100,350
Average tempThe average temperature here across a full year.70°F
Annual precipHow much rain and melted snow falls here in a typical year.52 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

506 N Mahan St measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth less than 82% of homes in Brazoria County
  • Costs more per square foot than 95% of homes in Clute 77531
  • Smaller than 85% of homes in Brazoria County
  • Has a bigger lot than 69% of homes in Clute 77531
  • Older than 94% of homes in Brazoria County

What homes are worth in Clute 77531

Each bar is how many homes fall in that price range. The marker is this home.

This home
$99K$439K

This home is worth more than 51% of homes in Clute 77531.

How it measures up in Clute 77531

The dot is this home. The mark in the middle is the typical home in Clute 77531.

Estimated value$221,607
CheaperTypical $220,489Pricier

Pricier than 51% of homes nearby

Price per ft²$187
CheaperTypical $138Pricier

Pricier than 95% of homes nearby

Living area1,184 ft²
SmallerTypical 1,583 ft²Bigger

Bigger than 24% of homes nearby

Lot size0.34 ac
SmallerTypical 0.24 acBigger

Bigger than 69% of homes nearby

Year built1952
OlderTypical 1978Newer

Newer than 17% of homes nearby

How 506 N Mahan St ranks against every home in each area.
MeasureThis homeClute 77531Brazoria County
Estimated valuepricier than$221,60751% of homes18% of homes
Price per ft²pricier than$18795% of homes80% of homes
Living areabigger than1,184 ft²24% of homes15% of homes
Lot sizebigger than0.34 ac69% of homes67% of homes
Year builtnewer than195217% of homes6% of homes

About 506 N Mahan St

How much is 506 N Mahan St, Richwood, TX worth?

The TopHap Estimate for 506 N Mahan St, Richwood, TX is $221,607 as of Aug 30, 2026. The likely range is $170,141 to $273,073. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 506 N Mahan St, Richwood, TX last sell?

506 N Mahan St, Richwood, TX last sold on Nov 29, 2012 for $58,700, according to the county's recorded deed.

How big is 506 N Mahan St, Richwood, TX?

506 N Mahan St, Richwood, TX has 1 bathrooms, 1,184 square feet of living space and a 0.34-acre lot.

When was 506 N Mahan St, Richwood, TX built?

506 N Mahan St, Richwood, TX was built in 1952, making it 74 years old. The building has 1 story.

What schools serve 506 N Mahan St, Richwood, TX?

506 N Mahan St, Richwood, TX is assigned to Gladys Polk Elementary School (elementary), rated A+; Brazoswood High School (high), rated C-; Clute Intermediate School (middle), rated C. All sit in Brazosport Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 506 N Mahan St, Richwood, TX compare to other homes in Clute 77531?

Among the 4,348 homes in Clute 77531, it is worth more than 51% of them ($221,607 against a typical $220,489), its price per square foot is higher than 95% of them ($187 against a typical $138), it is bigger than 24% of them (1,184 ft² against a typical 1,583 ft²), its lot is bigger than 69% of them (0.34 ac against a typical 0.24 ac) and it is newer than 17% of them (1952 against a typical 1978). Measured against all of Brazoria County, it is worth more than 18% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 506 N Mahan St, Richwood, TX?

The 2024 property tax bill for 506 N Mahan St, Richwood, TX was $576. The county assessed it at $63,196.

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